| USB to RS-232/422/485   Isolated Converter   Quatech Model SSU2-400I   Operation Manual   Download from Www.Somanuals.com. All Manuals Search And Download.   Table of Contents   1. Introduction ………………………………………………   2. Package checklist ……………………………………………   3. Product Specification ……………………………………   4. Product Panel Views Description ……………………   Product Views ……………………………………   2 3 4 7 7 7 8 8 9 USB Type B Connector ………………………………………   Serial I/O Port of RS-232/422/485 ………………………..…   Terminator ……………………………………………………   LED Indicators ………………………………………………   5. Driver installation ……………………………   10   10   Driver Installation ……………………………………………   6. Hardware Installation & Setup ………………………   Hardware installation …………………………………………   Hardware setup …………………………………………………   15   15   17   Appendix A - Pin Outs and Cable Wiring …………   USB Layout Diagram …………………………………………   RS-232 Pin Assignment ………………………………………   RS-232 Wiring Diagram ………………………………………   RS-422 Pin Assignment ………………………………………   RS-422 Wiring Diagram ………………………………………   RS-485 Wiring Diagram ………………………………………   21   21   21   22   22   22   22   2 Download from Www.Somanuals.com. All Manuals Search And Download.   1 Introduction   Thank you for your purchase of the USB to serial adapter. Featuring USB   (Universal Serial Bus) interface technology, it is converted the USB to RS-232 or   industrial RS422/485, so it can be easily adopted for industrial machines with   RS232 or RS422/485 interfaces. The USB to Serial converter is fully compatible   with the USB V1.0 2.0 . This converter is USB bus powered and does not need   any power adapter. You can connect a PC USB port or USB hub to this converter   via USB cable and High-Speed RS-232/422/485 serial port (Auto-Detection) which   features easy connectivity for traditional serial devices in your working   environments.   The RS232 standard supports handshaking signals (such as RTS, CTS) and   full-duplex communication. For the RS485 control, it is completely transparent to   user and their software written for Half-Duplex COM works without any extra   modification effort.   The USB to Serial Isolated Converter meets the industrial level as it provides 3000   VDC of isolation to protect the host computer or other connected equipments from   ground loops and destructive voltage spikes on the RS-232/422/485 data lines. It   also offers internal surge-protection on data lines. Internal high-speed transient   suppressors on each data line to protect it from dangerous voltages levels or   spikes.   3 Download from Www.Somanuals.com. All Manuals Search And Download.   2 Package checklist   This product is shipped with the following items:   ꢀ ꢀ ꢀ ꢀ 1 unit of USB to RS-232/422/485 Isolated converter   1 unit of A type to B type USB cable   User Operation Manual   Software CD   NOTE: Notify your sales representative if any of the above items is missing or   damaged   4 Download from Www.Somanuals.com. All Manuals Search And Download.   3 Product Specification   ꢁ Serial Port   ꢁ RS-232   ● ● ● ● ● ● ● ● ● ● ● ● ● No. of Ports : RS-232 * 1 Port   Port Type : DB9 male   RS-232 Signals : DCD , RX , TX , GND , RTS , CTS , DTR , DSR   Receive buffer : 576 Byte   Transmit buffer : 640 Byte   Baud Rate Speed : 300 bps 921.6k bps   Parity :None , Odd , Even , Space , Mark   Data Bit : 5 , 6 , 7 , 8   Stop Bit: Auto-Detection : 1 , 1.5 , 2,   Flow Control : X-On / X-Off or Hardware   Optical isolation protection : 3000V DC   Connected Serial port type identification : Auto-Detection   15KV ESD for all signal   5 Download from Www.Somanuals.com. All Manuals Search And Download.   ꢁ RS-422/485   ● ● ● ● ● ● ● ● ● ● ● No. of Ports : 422/485 * 1 Port (Terminal Block)   RS-422 Signals : RxD+ , RxD- , TxD+ , TxD- in Full-duplex (Surge Protection)   RS-485 Signals : Data+ , Data- in Half-duplex (Surge Protection)   Receive buffer : 576 Byte   Transmit buffer : 640 Byte   Baud Rate Speed : 300 bps 230.4k bps   Built-in RS-422/RS-485 Terminal Resister (Surge Protection)   Optical isolation protection : 3000V DC   Connected Serial port type identification : Auto-Detection   Built in Terminal 100 Ohm Terminal resistor SW selection ON/OFF   15KV ESD for all signal   ꢁ ꢁ USB Port   No. of Ports : USB * 1 Port   ● Fully compatible with the USB V1.0, V1.2, V2.0   USB type B connector   ● ● Baud Rates : Full speed 12 Mbps.   Driver OS Support   ● Windows – 98E / 2000 / XP / Server 2003 /Vista , Mac osx / os9 , Linux 2.4 / 2.6   ꢁ ꢁ ꢁ Power :USB bus power as voltage DC +5V   Led Lamp :   SYS (Red), Rx (Orange), Tx (Green)   Environment :   ● ● Operating Temperature: 0   Storage Temperature : -20   70   85   6 Download from Www.Somanuals.com. All Manuals Search And Download.   ꢁ ꢁ ꢁ ꢁ Humidity: 5-95% RH   Dimensions : 88 * 91 * 27 mm ( W * D * H )   WEIGHT : 94 gm   Regulatory Approvals :   EMC : FCC Class A, CE Class A   WARRANTY : 1 Year   ● ● 7 Download from Www.Somanuals.com. All Manuals Search And Download.   4 Product Panel Views Description   Product Views   Serial I/O Port   RS422/485   USB Type B   Connector   Serial I/O Port   RS-232   LED Indicators   USB Type B Connector   Power Outlet - The USB to Serial converter is powered by USB (Universal   Serial Bus) port a single 5V DC (Inner positive/outer negative) power supply   and 500mA of current. If the power is properly supplied, the SYS indicator of   red color LED will be on.   8 Download from Www.Somanuals.com. All Manuals Search And Download.   USB Type B Port   This converter’s USB port is a USB type B connector and it is fully compatible   with the USB V1.1 ~ 2.0.   Serial I/O Port   Serial I/O Port   RS-485/RS-422   Terminator   Serial I/O Port   RS232   Serial I/O Port of RS-232/422/485   To connected the serial data cable between the converter and the serial   device. Follow the parameter setup procedures to configure the converter   (see the following chapters).   Terminator (DIP Switches)   The purpose of the Terminator (DIP Switches) is for compensating signal   attenuation in a long distance connection at RS-485/422. To activate signal   compensation function, please set the dip switch 1 & 2 to “ON” position. To   disable signal compensation function, please set the dip switch to “OFF”   position.   9 Download from Www.Somanuals.com. All Manuals Search And Download.   LED Indicators   SYS (Red)   It is a power indicator (When the power is on, the SYS LED will be on.)   RX (Orange)   Data received indicator (When data are received from the USB, the RX LED   will be on.)   TX (Green)   Data sent indicator (When data are sent out to the USB, the TX LED will be   on.)   10   Download from Www.Somanuals.com. All Manuals Search And Download.   5 Driver Installation   When setting up this converter for the first time, you have to install the driver   CP201x first in your computer device before connecting it. There are several   OS as Windows 98 / XP / 2000 / Vista …, Linux …, Mac … The utility CD is   enclosed in the device box.   The driver of all these USB to RS-232/422/485 converters must be installed first   before you use it.   ꢁ Driver Installation   When connecting this converter for the first time, you have to install the driver   into your computer first.   A. Install CP210x_VCP_Win2K_XP_S2K3 software   Through CD-ROM and find adaptable OS to your computer equipment.   B. Choose “Next” Icon   11   Download from Www.Somanuals.com. All Manuals Search And Download.   If your computer equipment is running Windows OS that the pop-up   screen of installing massage will be showed as “CP210x VCP Drivers for   Windows 2000/XP/2003 Server/Vista on your computer” and then to Click   “Next” icon for going to next step.   C. Choose “Accept” item of license agreement   After reading the license agreement then if you agree the terms to choose   the item “I accept the term of the license agreement”.   12   Download from Www.Somanuals.com. All Manuals Search And Download.   D. Choose destination location   It is for saving the CP201x driver software in destination location of   computer.   E. Execute the program installation   Click the “install” icon to begin installation of CP210x driver.   13   Download from Www.Somanuals.com. All Manuals Search And Download.   F. Scan and install CP210x USB to UART Bridge Driver Installer   After click “Install” icon, system is going to scan CP210x USB to UART   Bridge driver installer and installation location.   14   Download from Www.Somanuals.com. All Manuals Search And Download.   G. “System Settings Change” Notice   The massage is notified you that your computer has been changed after   installing of CP210x USB to UART Bridge Driver Installer. The new   setting will take effect after restarting your computer.   H. InstallShield Wizard Complete   CP201x driver has successfully installed and click “Finish” icon for exiting   the wizard.   15   Download from Www.Somanuals.com. All Manuals Search And Download.   6 Hardware Installation & Setup   ꢁ Hardware Installation   1. Power on your computer and until OS is ready after booting   2. USB cables have two distinct connectors. The Type A connector is used to   connect the cable from a USB device to the Type A port on a computer or USB   hub. The Type B connector is used to attach the USB cable to a USB device.   3. Connect USB cable between a PC USB port (Or USB hub) and this converter’s   type B USB port.   16   Download from Www.Somanuals.com. All Manuals Search And Download.   4. Connect the serial port (RS232 or RS422 or RS485) equipments to this USB to   serial converter.   5. After connecting the USB to serial converter, then a massage as “New device   has been connected” will be pop-up on screen. However, the CT201x driver   needs to be installed in PC in advance.   6. The SYS indicator of red LED will be turn into on. The USB to serial converter   is active.   17   Download from Www.Somanuals.com. All Manuals Search And Download.   ꢁ Hardware Setup   When the USB to serial converter has successfully connected and you can   setup more detailed parameters by Computer’s Management.   A. Into “Manage” icon in My Computer   Click “My Computer” icon and then press the right side button of mouse.   After you click the manage item on list bar then “Computer Management   (Local) list will be pop-up.   18   Download from Www.Somanuals.com. All Manuals Search And Download.   B. Choose “Device Manager” and click “Ports(COM & LPT)” in   Device Manager   Click “Device Manager” item, all devices of computer will be list on right   site of screen and then click “Ports (COM & LPT) item for looking for more   COM devices.   C. Detail parameters of CP210x USB to UART Bridge Controller   Click “CP210x USB to UART Bridge Controller” for getting more detail   information of the device.   19   Download from Www.Somanuals.com. All Manuals Search And Download.   D. Device status of CP210x USB to UART Bridge Controller   This is showing the statues of device and some product general   information. COM port number of device is also display on.   E. “Driver” detail information   This is for checking more detail information of driver in this device.   20   Download from Www.Somanuals.com. All Manuals Search And Download.   F. “Details” item   It is for checking device ID numbers as device instance ID.   21   Download from Www.Somanuals.com. All Manuals Search And Download.   Appendix A   Pin outs and Connector   □ USB Layout Diagram   □ □ Type A USB Connector   Type B USB Connector   RS-232 Pin Assignment   □ The pin assignment scheme for a 9-pin male connector is given below.   PIN 1 : DCD   PIN 5 : GND   PIN 9 : X   PIN 2 : RXD   PIN 6 : DSR   PIN 3 : TXD   PIN 7 : RTS   PIN 4 : DTR   PIN 8 : CTS   RS-232 Wiring Diagram   □ 22   Download from Www.Somanuals.com. All Manuals Search And Download.   Serial Device   USB to RS-232/422/485 Converter   2 3 5 7 8 RX   3 2 TX   RX   TX   GND   RTS   CTS   5 GND   (Flow Control)   CT (Flow Control)   RT 8 7 RS-422 Pin Assignment   □ The pin assignment scheme for a 4-pin RS-422 is given below.   1 2 3 4   RS-422: PIN 1: T+   RS-485: PIN 1: D+   PIN 2: T-   PIN 2: D-   PIN 3: R+   PIN 4: R-   RS-422 Wiring Diagram   □ Serial Device   USB to RS-232/422/485 Converter   R-   R+   T-   2 1 4 3 T-   T+   R-   T+   R+   RS-485 Wiring Diagram   □ Serial Device   USB to RS-232/422/485 Converter   D-   2 D-   D+   1 D+   23   Download from Www.Somanuals.com. All Manuals Search And Download.   |